Home / 3,117.06-4,301.02-1,772.46

Finding the Fourth Proportional to 3,117.06, 4,301.02 and 1,772.46

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Solution

The fourth proportional to 3,117.06, 4,301.02 and 1,772.46 is: 2,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.06 : 4,301.02 = 1,772.46 : x
  2. Step 2: Convert to fraction form
    3,117.06/4,301.02 = 1,772.46/x
  3. Step 3: Cross multiply
    3,117.06x = 4,301.02 × 1,772.46
  4. Step 4: Simplify right side
    3,117.06x = 7,623,385.91
  5. Step 5: Solve for x
    x = 7,623,385.91/3,117.06
  6. Step 6: Final answer
    x = 2,445.70

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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.