Home / 7,521.54-10,379.65-4,498.05

Finding the Fourth Proportional to 7,521.54, 10,379.65 and 4,498.05

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Solution

The fourth proportional to 7,521.54, 10,379.65 and 4,498.05 is: 6,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.54 : 10,379.65 = 4,498.05 : x
  2. Step 2: Convert to fraction form
    7,521.54/10,379.65 = 4,498.05/x
  3. Step 3: Cross multiply
    7,521.54x = 10,379.65 × 4,498.05
  4. Step 4: Simplify right side
    7,521.54x = 46,688,184.68
  5. Step 5: Solve for x
    x = 46,688,184.68/7,521.54
  6. Step 6: Final answer
    x = 6,207.26

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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.