Home / 7,590.40-10,480.10-5,326.54

Finding the Fourth Proportional to 7,590.40, 10,480.10 and 5,326.54

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Solution

The fourth proportional to 7,590.40, 10,480.10 and 5,326.54 is: 7,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.40 : 10,480.10 = 5,326.54 : x
  2. Step 2: Convert to fraction form
    7,590.40/10,480.10 = 5,326.54/x
  3. Step 3: Cross multiply
    7,590.40x = 10,480.10 × 5,326.54
  4. Step 4: Simplify right side
    7,590.40x = 55,822,619.02
  5. Step 5: Solve for x
    x = 55,822,619.02/7,590.40
  6. Step 6: Final answer
    x = 7,354.37

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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.