Home / 5,690.01-7,852.80-3,172.53

Finding the Fourth Proportional to 5,690.01, 7,852.80 and 3,172.53

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Solution

The fourth proportional to 5,690.01, 7,852.80 and 3,172.53 is: 4,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.01 : 7,852.80 = 3,172.53 : x
  2. Step 2: Convert to fraction form
    5,690.01/7,852.80 = 3,172.53/x
  3. Step 3: Cross multiply
    5,690.01x = 7,852.80 × 3,172.53
  4. Step 4: Simplify right side
    5,690.01x = 24,913,263.22
  5. Step 5: Solve for x
    x = 24,913,263.22/5,690.01
  6. Step 6: Final answer
    x = 4,378.42

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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.