Home / 1,559.13-2,152.19-1,061.98

Finding the Fourth Proportional to 1,559.13, 2,152.19 and 1,061.98

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Solution

The fourth proportional to 1,559.13, 2,152.19 and 1,061.98 is: 1,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.13 : 2,152.19 = 1,061.98 : x
  2. Step 2: Convert to fraction form
    1,559.13/2,152.19 = 1,061.98/x
  3. Step 3: Cross multiply
    1,559.13x = 2,152.19 × 1,061.98
  4. Step 4: Simplify right side
    1,559.13x = 2,285,582.74
  5. Step 5: Solve for x
    x = 2,285,582.74/1,559.13
  6. Step 6: Final answer
    x = 1,465.93

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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.