Home / 4,117.68-5,681.56-2,440.32

Finding the Fourth Proportional to 4,117.68, 5,681.56 and 2,440.32

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Solution

The fourth proportional to 4,117.68, 5,681.56 and 2,440.32 is: 3,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.68 : 5,681.56 = 2,440.32 : x
  2. Step 2: Convert to fraction form
    4,117.68/5,681.56 = 2,440.32/x
  3. Step 3: Cross multiply
    4,117.68x = 5,681.56 × 2,440.32
  4. Step 4: Simplify right side
    4,117.68x = 13,864,824.50
  5. Step 5: Solve for x
    x = 13,864,824.50/4,117.68
  6. Step 6: Final answer
    x = 3,367.14

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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.