Home / 5,416.10-8,140.35-4,703.30

Finding the Fourth Proportional to 5,416.10, 8,140.35 and 4,703.30

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Solution

The fourth proportional to 5,416.10, 8,140.35 and 4,703.30 is: 7,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.10 : 8,140.35 = 4,703.30 : x
  2. Step 2: Convert to fraction form
    5,416.10/8,140.35 = 4,703.30/x
  3. Step 3: Cross multiply
    5,416.10x = 8,140.35 × 4,703.30
  4. Step 4: Simplify right side
    5,416.10x = 38,286,508.16
  5. Step 5: Solve for x
    x = 38,286,508.16/5,416.10
  6. Step 6: Final answer
    x = 7,069.02

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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.