Home / 1,590.46-2,195.58-1,066.84

Finding the Fourth Proportional to 1,590.46, 2,195.58 and 1,066.84

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Solution

The fourth proportional to 1,590.46, 2,195.58 and 1,066.84 is: 1,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.46 : 2,195.58 = 1,066.84 : x
  2. Step 2: Convert to fraction form
    1,590.46/2,195.58 = 1,066.84/x
  3. Step 3: Cross multiply
    1,590.46x = 2,195.58 × 1,066.84
  4. Step 4: Simplify right side
    1,590.46x = 2,342,332.57
  5. Step 5: Solve for x
    x = 2,342,332.57/1,590.46
  6. Step 6: Final answer
    x = 1,472.74

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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.