Home / 3,140.10-4,708.22-1,059.57

Finding the Fourth Proportional to 3,140.10, 4,708.22 and 1,059.57

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Solution

The fourth proportional to 3,140.10, 4,708.22 and 1,059.57 is: 1,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.10 : 4,708.22 = 1,059.57 : x
  2. Step 2: Convert to fraction form
    3,140.10/4,708.22 = 1,059.57/x
  3. Step 3: Cross multiply
    3,140.10x = 4,708.22 × 1,059.57
  4. Step 4: Simplify right side
    3,140.10x = 4,988,683.37
  5. Step 5: Solve for x
    x = 4,988,683.37/3,140.10
  6. Step 6: Final answer
    x = 1,588.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.