Home / 5,307.42-7,317.47-3,317.25

Finding the Fourth Proportional to 5,307.42, 7,317.47 and 3,317.25

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Solution

The fourth proportional to 5,307.42, 7,317.47 and 3,317.25 is: 4,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.42 : 7,317.47 = 3,317.25 : x
  2. Step 2: Convert to fraction form
    5,307.42/7,317.47 = 3,317.25/x
  3. Step 3: Cross multiply
    5,307.42x = 7,317.47 × 3,317.25
  4. Step 4: Simplify right side
    5,307.42x = 24,273,913.09
  5. Step 5: Solve for x
    x = 24,273,913.09/5,307.42
  6. Step 6: Final answer
    x = 4,573.58

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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.