Home / 5,615.10-8,421.84-2,328.93

Finding the Fourth Proportional to 5,615.10, 8,421.84 and 2,328.93

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Solution

The fourth proportional to 5,615.10, 8,421.84 and 2,328.93 is: 3,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.10 : 8,421.84 = 2,328.93 : x
  2. Step 2: Convert to fraction form
    5,615.10/8,421.84 = 2,328.93/x
  3. Step 3: Cross multiply
    5,615.10x = 8,421.84 × 2,328.93
  4. Step 4: Simplify right side
    5,615.10x = 19,613,875.83
  5. Step 5: Solve for x
    x = 19,613,875.83/5,615.10
  6. Step 6: Final answer
    x = 3,493.06

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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.