Home / 7,312.67-10,090.70-4,125.26

Finding the Fourth Proportional to 7,312.67, 10,090.70 and 4,125.26

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Solution

The fourth proportional to 7,312.67, 10,090.70 and 4,125.26 is: 5,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.67 : 10,090.70 = 4,125.26 : x
  2. Step 2: Convert to fraction form
    7,312.67/10,090.70 = 4,125.26/x
  3. Step 3: Cross multiply
    7,312.67x = 10,090.70 × 4,125.26
  4. Step 4: Simplify right side
    7,312.67x = 41,626,710.63
  5. Step 5: Solve for x
    x = 41,626,710.63/7,312.67
  6. Step 6: Final answer
    x = 5,692.41

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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.