Home / 2,425.47-3,347.15-1,377.51

Finding the Fourth Proportional to 2,425.47, 3,347.15 and 1,377.51

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Solution

The fourth proportional to 2,425.47, 3,347.15 and 1,377.51 is: 1,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.47 : 3,347.15 = 1,377.51 : x
  2. Step 2: Convert to fraction form
    2,425.47/3,347.15 = 1,377.51/x
  3. Step 3: Cross multiply
    2,425.47x = 3,347.15 × 1,377.51
  4. Step 4: Simplify right side
    2,425.47x = 4,610,725.71
  5. Step 5: Solve for x
    x = 4,610,725.71/2,425.47
  6. Step 6: Final answer
    x = 1,900.96

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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.