Home / 6,590.12-9,078.90-5,417.96

Finding the Fourth Proportional to 6,590.12, 9,078.90 and 5,417.96

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Solution

The fourth proportional to 6,590.12, 9,078.90 and 5,417.96 is: 7,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.12 : 9,078.90 = 5,417.96 : x
  2. Step 2: Convert to fraction form
    6,590.12/9,078.90 = 5,417.96/x
  3. Step 3: Cross multiply
    6,590.12x = 9,078.90 × 5,417.96
  4. Step 4: Simplify right side
    6,590.12x = 49,189,117.04
  5. Step 5: Solve for x
    x = 49,189,117.04/6,590.12
  6. Step 6: Final answer
    x = 7,464.07

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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.