Home / 5,023.18-6,931.93-2,785.15

Finding the Fourth Proportional to 5,023.18, 6,931.93 and 2,785.15

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Solution

The fourth proportional to 5,023.18, 6,931.93 and 2,785.15 is: 3,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,023.18 : 6,931.93 = 2,785.15 : x
  2. Step 2: Convert to fraction form
    5,023.18/6,931.93 = 2,785.15/x
  3. Step 3: Cross multiply
    5,023.18x = 6,931.93 × 2,785.15
  4. Step 4: Simplify right side
    5,023.18x = 19,306,416.25
  5. Step 5: Solve for x
    x = 19,306,416.25/5,023.18
  6. Step 6: Final answer
    x = 3,843.47

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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.