Home / 3,531.12-4,870.02-2,683.18

Finding the Fourth Proportional to 3,531.12, 4,870.02 and 2,683.18

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Solution

The fourth proportional to 3,531.12, 4,870.02 and 2,683.18 is: 3,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.12 : 4,870.02 = 2,683.18 : x
  2. Step 2: Convert to fraction form
    3,531.12/4,870.02 = 2,683.18/x
  3. Step 3: Cross multiply
    3,531.12x = 4,870.02 × 2,683.18
  4. Step 4: Simplify right side
    3,531.12x = 13,067,140.26
  5. Step 5: Solve for x
    x = 13,067,140.26/3,531.12
  6. Step 6: Final answer
    x = 3,700.57

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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.