Home / 1,559.08-2,151.16-895.79

Finding the Fourth Proportional to 1,559.08, 2,151.16 and 895.79

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Solution

The fourth proportional to 1,559.08, 2,151.16 and 895.79 is: 1,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.08 : 2,151.16 = 895.79 : x
  2. Step 2: Convert to fraction form
    1,559.08/2,151.16 = 895.79/x
  3. Step 3: Cross multiply
    1,559.08x = 2,151.16 × 895.79
  4. Step 4: Simplify right side
    1,559.08x = 1,926,990.75
  5. Step 5: Solve for x
    x = 1,926,990.75/1,559.08
  6. Step 6: Final answer
    x = 1,235.98

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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.