Home / 1,733.47-2,392.21-947.53

Finding the Fourth Proportional to 1,733.47, 2,392.21 and 947.53

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Solution

The fourth proportional to 1,733.47, 2,392.21 and 947.53 is: 1,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.47 : 2,392.21 = 947.53 : x
  2. Step 2: Convert to fraction form
    1,733.47/2,392.21 = 947.53/x
  3. Step 3: Cross multiply
    1,733.47x = 2,392.21 × 947.53
  4. Step 4: Simplify right side
    1,733.47x = 2,266,690.74
  5. Step 5: Solve for x
    x = 2,266,690.74/1,733.47
  6. Step 6: Final answer
    x = 1,307.60

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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.