Home / 3,117.46-4,307.26-2,459.32

Finding the Fourth Proportional to 3,117.46, 4,307.26 and 2,459.32

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Solution

The fourth proportional to 3,117.46, 4,307.26 and 2,459.32 is: 3,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.46 : 4,307.26 = 2,459.32 : x
  2. Step 2: Convert to fraction form
    3,117.46/4,307.26 = 2,459.32/x
  3. Step 3: Cross multiply
    3,117.46x = 4,307.26 × 2,459.32
  4. Step 4: Simplify right side
    3,117.46x = 10,592,930.66
  5. Step 5: Solve for x
    x = 10,592,930.66/3,117.46
  6. Step 6: Final answer
    x = 3,397.94

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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.