Home / 7,274.10-10,038.02-4,130.09

Finding the Fourth Proportional to 7,274.10, 10,038.02 and 4,130.09

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Solution

The fourth proportional to 7,274.10, 10,038.02 and 4,130.09 is: 5,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.10 : 10,038.02 = 4,130.09 : x
  2. Step 2: Convert to fraction form
    7,274.10/10,038.02 = 4,130.09/x
  3. Step 3: Cross multiply
    7,274.10x = 10,038.02 × 4,130.09
  4. Step 4: Simplify right side
    7,274.10x = 41,457,855.18
  5. Step 5: Solve for x
    x = 41,457,855.18/7,274.10
  6. Step 6: Final answer
    x = 5,699.38

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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.