Home / 4,290.53-5,920.25-2,402.19

Finding the Fourth Proportional to 4,290.53, 5,920.25 and 2,402.19

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Solution

The fourth proportional to 4,290.53, 5,920.25 and 2,402.19 is: 3,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.53 : 5,920.25 = 2,402.19 : x
  2. Step 2: Convert to fraction form
    4,290.53/5,920.25 = 2,402.19/x
  3. Step 3: Cross multiply
    4,290.53x = 5,920.25 × 2,402.19
  4. Step 4: Simplify right side
    4,290.53x = 14,221,580.04
  5. Step 5: Solve for x
    x = 14,221,580.04/4,290.53
  6. Step 6: Final answer
    x = 3,314.64

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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.