Home / 5,078.98-7,572.85-4,645.06

Finding the Fourth Proportional to 5,078.98, 7,572.85 and 4,645.06

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Solution

The fourth proportional to 5,078.98, 7,572.85 and 4,645.06 is: 6,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.98 : 7,572.85 = 4,645.06 : x
  2. Step 2: Convert to fraction form
    5,078.98/7,572.85 = 4,645.06/x
  3. Step 3: Cross multiply
    5,078.98x = 7,572.85 × 4,645.06
  4. Step 4: Simplify right side
    5,078.98x = 35,176,342.62
  5. Step 5: Solve for x
    x = 35,176,342.62/5,078.98
  6. Step 6: Final answer
    x = 6,925.87

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Find fourth proportional to 2,539.49, 3,786.43 and 2,322.53
Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.