Home / 7,465.22-10,302.10-4,278.65

Finding the Fourth Proportional to 7,465.22, 10,302.10 and 4,278.65

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Solution

The fourth proportional to 7,465.22, 10,302.10 and 4,278.65 is: 5,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.22 : 10,302.10 = 4,278.65 : x
  2. Step 2: Convert to fraction form
    7,465.22/10,302.10 = 4,278.65/x
  3. Step 3: Cross multiply
    7,465.22x = 10,302.10 × 4,278.65
  4. Step 4: Simplify right side
    7,465.22x = 44,079,080.17
  5. Step 5: Solve for x
    x = 44,079,080.17/7,465.22
  6. Step 6: Final answer
    x = 5,904.59

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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.