Home / 7,397.87-10,209.04-4,254.05

Finding the Fourth Proportional to 7,397.87, 10,209.04 and 4,254.05

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Solution

The fourth proportional to 7,397.87, 10,209.04 and 4,254.05 is: 5,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.87 : 10,209.04 = 4,254.05 : x
  2. Step 2: Convert to fraction form
    7,397.87/10,209.04 = 4,254.05/x
  3. Step 3: Cross multiply
    7,397.87x = 10,209.04 × 4,254.05
  4. Step 4: Simplify right side
    7,397.87x = 43,429,781.50
  5. Step 5: Solve for x
    x = 43,429,781.50/7,397.87
  6. Step 6: Final answer
    x = 5,870.58

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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.