Home / 4,139.02-5,711.55-2,370.58

Finding the Fourth Proportional to 4,139.02, 5,711.55 and 2,370.58

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Solution

The fourth proportional to 4,139.02, 5,711.55 and 2,370.58 is: 3,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.02 : 5,711.55 = 2,370.58 : x
  2. Step 2: Convert to fraction form
    4,139.02/5,711.55 = 2,370.58/x
  3. Step 3: Cross multiply
    4,139.02x = 5,711.55 × 2,370.58
  4. Step 4: Simplify right side
    4,139.02x = 13,539,686.20
  5. Step 5: Solve for x
    x = 13,539,686.20/4,139.02
  6. Step 6: Final answer
    x = 3,271.23

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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.