Home / 1,584.32-2,186.08-1,113.66

Finding the Fourth Proportional to 1,584.32, 2,186.08 and 1,113.66

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Solution

The fourth proportional to 1,584.32, 2,186.08 and 1,113.66 is: 1,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.32 : 2,186.08 = 1,113.66 : x
  2. Step 2: Convert to fraction form
    1,584.32/2,186.08 = 1,113.66/x
  3. Step 3: Cross multiply
    1,584.32x = 2,186.08 × 1,113.66
  4. Step 4: Simplify right side
    1,584.32x = 2,434,549.85
  5. Step 5: Solve for x
    x = 2,434,549.85/1,584.32
  6. Step 6: Final answer
    x = 1,536.65

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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.