Home / 7,274.67-10,038.35-4,130.25

Finding the Fourth Proportional to 7,274.67, 10,038.35 and 4,130.25

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Solution

The fourth proportional to 7,274.67, 10,038.35 and 4,130.25 is: 5,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.67 : 10,038.35 = 4,130.25 : x
  2. Step 2: Convert to fraction form
    7,274.67/10,038.35 = 4,130.25/x
  3. Step 3: Cross multiply
    7,274.67x = 10,038.35 × 4,130.25
  4. Step 4: Simplify right side
    7,274.67x = 41,460,874.44
  5. Step 5: Solve for x
    x = 41,460,874.44/7,274.67
  6. Step 6: Final answer
    x = 5,699.35

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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.