Home / 7,484.07-10,328.09-4,127.01

Finding the Fourth Proportional to 7,484.07, 10,328.09 and 4,127.01

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Solution

The fourth proportional to 7,484.07, 10,328.09 and 4,127.01 is: 5,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.07 : 10,328.09 = 4,127.01 : x
  2. Step 2: Convert to fraction form
    7,484.07/10,328.09 = 4,127.01/x
  3. Step 3: Cross multiply
    7,484.07x = 10,328.09 × 4,127.01
  4. Step 4: Simplify right side
    7,484.07x = 42,624,130.71
  5. Step 5: Solve for x
    x = 42,624,130.71/7,484.07
  6. Step 6: Final answer
    x = 5,695.31

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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.