Home / 4,507.77-6,220.74-2,518.40

Finding the Fourth Proportional to 4,507.77, 6,220.74 and 2,518.40

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Solution

The fourth proportional to 4,507.77, 6,220.74 and 2,518.40 is: 3,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.77 : 6,220.74 = 2,518.40 : x
  2. Step 2: Convert to fraction form
    4,507.77/6,220.74 = 2,518.40/x
  3. Step 3: Cross multiply
    4,507.77x = 6,220.74 × 2,518.40
  4. Step 4: Simplify right side
    4,507.77x = 15,666,280.51
  5. Step 5: Solve for x
    x = 15,666,280.51/4,507.77
  6. Step 6: Final answer
    x = 3,475.39

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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.