Home / 1,559.26-2,151.80-895.99

Finding the Fourth Proportional to 1,559.26, 2,151.80 and 895.99

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Solution

The fourth proportional to 1,559.26, 2,151.80 and 895.99 is: 1,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.26 : 2,151.80 = 895.99 : x
  2. Step 2: Convert to fraction form
    1,559.26/2,151.80 = 895.99/x
  3. Step 3: Cross multiply
    1,559.26x = 2,151.80 × 895.99
  4. Step 4: Simplify right side
    1,559.26x = 1,927,986.55
  5. Step 5: Solve for x
    x = 1,927,986.55/1,559.26
  6. Step 6: Final answer
    x = 1,236.47

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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.