Home / 5,252.47-7,247.75-2,894.76

Finding the Fourth Proportional to 5,252.47, 7,247.75 and 2,894.76

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Solution

The fourth proportional to 5,252.47, 7,247.75 and 2,894.76 is: 3,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.47 : 7,247.75 = 2,894.76 : x
  2. Step 2: Convert to fraction form
    5,252.47/7,247.75 = 2,894.76/x
  3. Step 3: Cross multiply
    5,252.47x = 7,247.75 × 2,894.76
  4. Step 4: Simplify right side
    5,252.47x = 20,980,482.32
  5. Step 5: Solve for x
    x = 20,980,482.32/5,252.47
  6. Step 6: Final answer
    x = 3,994.40

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.